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Product Details

Featured Specifications

44X12 - Illumination Pattern

Fits 10734 Carclo 20mm Optic Holder

84.7% - Efficiency

42.52° X 17.48°- XML

5.3 - Cd/lm

83.2% EFF - XML

Heat Resistant Polycarbonate

3.7 Cd/lm - XML

Description

The Carclo #10003-L25 is a 20mm diameter secondary optic manufactured in lens quality poly-carbonate and designed to collimate LED light into a elliptical spot pattern. The #10003-L25 optic is tough, impact resistant, UL rated and can withstand higher temperatures than acrylic optics. The tab on the outside edge of the optic secures the optic into a 20mm optic holder (shown in the above image). Compatibility with LEDs is shown in the technical documentation and featured specifications (specifications will vary depending on which LED the optic is used with).

Technical Documentation

Characteristics:

MFG

LED

Eff.

FWHM

Cd/lm

Avago

Avago Jade White

89.3

44.0 x 14.8

4

CREE

Cree XLamp MX-6 White

88.2

43.6 x 18.5

3.4

CREE

Cree XLamp XM-L White

83.2

42.5 x 17.5

3.7

CREE

Cree XLamp XP-C White

85.5

46.6 x 6.8

9.1

CREE

Cree XLamp XP-E2 White

48 x 8

8

Cree

Cree XLamp XP-G White

84.7

44.4 x 12.7

5.3

CREE

Cree XLamp XP-G2 White

41.8 x 11.7

6.2

CREE

Cree XLamp XT-E White

43.8 x 13.0

5.8

EVERLIGHT

Everlight Shuen White

84.2

44.4

4.6

LED ENGIN

LEDEngin 3W White

82.9

46 x 18

2.8

LED ENGIN

LEDEngin 5W White

82.2

44.7 x 16.3

3.3

LUXEON

Lumileds Luxeon C White

83.1

45.5 x 6.6

8.4

LUMINUS

Luminus Devices SST-50 White

82.7

41.9 x 25.2

2.6

NICHIA

Nichia 219 White

42.7 x 12.9

5.7

NICHIA

Nichia Top Emitting NCSL 119- H3 White

85

44.5 x 10.3

6.2

OSRAM

Osram Dragon Plus W5AM White

85.6

46.6 x 10.8

4.9

OSRAM

Osram Oslon SSL 150 degree White

85.4

45.54 x 8.42

7.1

OSRAM

Osram Oslon SSL 80 degree White

83.9

45.5 x 8.6

6.5

Samsung

Samsung 3535 White

45.7 x 12.1

6

SEOUL

SSC P4 White

82.5

44.1 x 15.3

3.9

SEOUL

SSC Z - Power Z1 White

81

43.9 x 20.2

2.8

SEOUL

SSC Z - Power Z5 White

83.9

45.6 x 10.3

5.8

SEOUL

SSC Z - Power Z5M White

42.5 x 12.0

5.6

SEOUL

SSC Z - Power Z5P White

45.3 x 10.5

6.2

Stanley

Stanley 1N White

42 x 23

3.3

Notes for Table

Eff.: At Carclo Optics this is determined by measuring the ratio of the light collected after the Optic output face (excluding scattered light) and dividing this by all the light collected from the LED alone.

FWHM: Beam angle is typically expressed as the Full Width in degrees at Half Maximum intensity (FWHM); A measure of the width of a distribution defined as the separation of the data points on either side of the peak which have values equal to 50% of the maximum. For intensity distributions this is the angular range at which the intensity falls to half its maximum value.

Cd/lm: The SI base unit of luminous intensity which is the power emitted by a light source in a particular direction, weighted by the sensitivity of the human eye.

TIR (Total Internal Reflection) Optic: When light passes from a high refractive-index medium (such as glass) to a low refractive-index medium (such as air) there is a special angle, known as the critical angle, above which light is 100% reflected. Any light rays that fall within the critical-angle undergo total internal reflection. Carclo TIR optics use this principle to produce highly efficient optics with a huge variety of beam shapes.

Important Information

20mm TIR Optics The most common size of TIR optic as these produce a range of beam angles from relatively tight to wide. There are also two reflectors within our 20mm range that take the beam even wider â€" therefore, you can design your fixture around this family of optics and select what beam is required as you build.

Full Documentation

Product Reviews

Good for Headlight

I was building a simple headlight for my bike and wanted an optic for a light, single LED design. The Elliptical optic provides good peripheral light, plus good distance. This really simplified my design so I didn't need a multi LED light using spot and wide optics.

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